CN100388325C - Method for remote controlling fuel gas meter - Google Patents
Method for remote controlling fuel gas meter Download PDFInfo
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- CN100388325C CN100388325C CNB2006100519837A CN200610051983A CN100388325C CN 100388325 C CN100388325 C CN 100388325C CN B2006100519837 A CNB2006100519837 A CN B2006100519837A CN 200610051983 A CN200610051983 A CN 200610051983A CN 100388325 C CN100388325 C CN 100388325C
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Abstract
The present invention relates to a remote control method of a remote controller, which is realized by pressing each of the function keys which are arranged on the remote controller. Firstly, orders of rousing, value charging, valve opening, valve closing, etc. are transmitted in an infrared receiving circuit of a gas meter by an infrared emission circuit which is in the remote controller in a form of a first frequency; then, the gas meter judges and compares the corresponding orders by the information which is originally stored on a second datum storage circuit, and the results which are compared execute corresponding actions; at the same time, the state of the gas meter is returned to the remote controller by the infrared emission circuit of the gas meter in a form of a second frequency and is displayed by a display screen which is arranged on the remote controller. Because different kinds of microprocessor, datum storage circuits and the first and the second frequencies which are transmitted and received conveniently with each other are arranged in the remote controller and the gas meter of the present invention, the self-excitation phenomenon is not taken place when the remote controller and the gas meter are used, and various kinds of data is convenient for being solidified, such as both-way communication protocol, etc. The present invention can truly solve the multifunctional operation of the gas meter which is from the state of dormancy to the state of rousing, value charging, valve opening, valve closing, meter reading and inquiry, etc., and therefore, the present invention is worth popularizing and applying to the existing gas meter.
Description
Technical field
The present invention relates to a kind of remote control thereof of intelligence table, especially refer to a kind of infrared remote control method of intelligent gas meter.
Background technology
At present, the gas meter, flow meter that uses on the market adopts prepayment diaphragm gas meter mostly at home, promptly is base table with the diaphragm gas meter, and the mode of additional pre-payment control module realizes that wherein, the information of pre-payment control module is transmitted carrier and adopted IC-card mostly.During use, the user goes gas company to buy combustion gas with first wife's IC-card, and then IC-card is inserted on the deck, when the tolerance of purchasing that IC-card imports into is examined and made cuts with the pulse signal of sensor for countering output, after examining and making cuts, the operation valve on the gas meter, flow meter is closed, to stop to use gas to zero.Therefore adopt such using method, brought certain convenience for user and gas company.But in use finding, because the gas meter, flow meter setting height(from bottom) of national regulation requires therefore, to adopt the form of this plug-in card between 1.8～2 meters, for some pygmies or old, weak, sick, residual user, is inconvenient in the extreme.Simultaneously, the IC-card seat also is subjected to some disabled users' destruction easily and shortens its serviceable life.For this reason, people also design a kind of non-contact radio-frequency card, but this radiofrequency signal is easily ignited combustion gas.
In order to overcome the shortcoming of above-mentioned several information carriers, it is the gas meter, flow meter of information carrier with the infrared light that people design a kind of, as China Patent No. is a kind of device 200420089987.0 " the infrared data transceiver of prepayment diaphragm gas meter " just disclosed, the microcontroller that is electrically connected mutually is installed in this gas meter, flow meter, the infrared emission device, infrared receiver device, data transmit control device spare, infrared emission power-supply controller of electric spare, infrared reception power-supply controller of electric spare and timer, when pre-payment controller sends data, the power supply of microprocessor controls infrared emission power-supply controller of electric chopping modulation data transmit control device spare, and give data transmit control device spare with serial data and convert modulated pulse signal to, convert the modulating pulse infrared light to by the infrared emission device then and launch; When pre-payment controller receives data, timer regularly triggers microcontroller, microcontroller applies power supply by infrared reception power-supply controller of electric spare to infrared receiver device then, and infrared receiver device demodulates serial data with the pulsed modulation infrared light that receives and is sent in the microcontroller through its output terminal.Adopt such infrared light receiving-transmitting device to use gas meter, flow meter, the management of convenient for users to use widely and gas company.But after its circuit analysis as can be known, because this transceiver lacks data acquisition circuit and data storage circuitry and multiple embedded software thereof, therefore can't give full play to the due comparison of microprocessor, computing, identification and arbitration functions, the serial data of input triode Q3 is discerned with regard to the data that do not have to make comparisons, can only bring into play the information transmission of simple function, so also do not reach user's multi-functional requirement far away.In addition, the single frequency of operation of this transceiver, promptly has only 38KHz, be difficult between telepilot and gas meter, flow meter, transmitting and receiving, and adopt identical circuit structure in telepilot and the gas meter, flow meter, according to the principle of " transmitting-receiving " nearby, the result of its information transmit-receive otherwise in telepilot, produce " self-excitation ", or in gas meter, flow meter, produce " self-excitation " and lose the meaning of practical application.
Summary of the invention
Technical matters to be solved by this invention is the present situation at prior art, provides a kind of and has the multifunctional information transmission and gas meter, flow meter remote control thereof easy to use.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the first step: press the arbitrary function key on the telepilot, wake telepilot up; Second step: more continuously by the arbitrary function key on the described telepilot, first microprocessor in it is handled and is sent wake command continuously by the first infrared emission circuit in second infrared receiving circuit of gas meter, flow meter with the form of first frequency, described gas meter, flow meter with this wake command with originally be stored in token on second data storage circuitry and urban area and number checked, if check correct, second infrared transmitter of successful information by described gas meter, flow meter returned to described telepilot with the form of second frequency, described gas meter, flow meter is in state of activation simultaneously, and goes to for the 3rd step; Otherwise described gas meter, flow meter changes dormant state over to; The 3rd step: by the key of supplementing with money on the described telepilot, after first microprocessor in described telepilot is handled, send second infrared receiving circuit of token information by the first infrared emission circuit in the described telepilot in the mode of first frequency to described gas meter, flow meter, after second microprocessor processes of described gas meter, flow meter in it, carry out checking of user number by the user profile in second data storage circuitry and this token information, if check correct, second microprocessor of described gas meter, flow meter is with the gas consumption of this user's purchase and the original residue tolerance addition in described second data storage circuitry, again by the gas consumption information of second infrared transmitter in it after described telepilot returns token source and addition with the form of second frequency, described gas meter, flow meter is in state of activation simultaneously, and goes to for the 4th step; Otherwise after the several seconds, described gas meter, flow meter changes dormant state automatically over to; The 4th step: by the valve key of opening on the described telepilot, behind the first microprocessor in described telepilot, send with the form of first frequency by the first infrared emission circuit in the described telepilot and to open valve order and permission agreement signal second infrared receiving circuit to described gas meter, flow meter, after described gas meter, flow meter receives this order, by second microprocessor processes in it and second data storage circuitry this being opened the valve order discerns, if describedly open the valve order when correct, whether reexamine residual volume is zero, if it is non-vanishing, then open the actuator valve in the described gas meter, flow meter, simultaneously the form of gas meter, flow meter state with second frequency turned back on the described telepilot, and show by the display screen on the telepilot; If to open the valve command recognition wrong to described, then again by pressing off valve key; If detecting the residual volume of gas meter, flow meter is zero, then changed for the 3rd step over to; The 5th step: by the pass valve key on the described telepilot, behind the first microprocessor in described telepilot, send with the form of first frequency by the first infrared emission circuit in the described telepilot and to close valve order and permission agreement second infrared receiving circuit to described gas meter, flow meter, described gas meter, flow meter is by second microprocessor processes in it, by this pass valve order is discerned, if it is correct to close the valve order, then close the actuator valve, simultaneously the state of the gas meter, flow meter form with second frequency is turned back on the described telepilot, and show by the display screen on it; If second data storage circuitry in the described telepilot is wrong to closing the valve command recognition, then kept for the 4th step.
As of the present invention when further changing, on described telepilot, can also be provided with the meter reading key, push this meter reading key, behind the first microprocessor in described telepilot, send meter reading order and permission agreement second infrared receiving circuit by the described first infrared emission circuit with the form of first frequency to described gas meter, flow meter, after described gas meter, flow meter receives this signal, by second microprocessor processes in it, and second data storage circuitry in described gas meter, flow meter is discerned this meter reading order and permission agreement, if this meter reading order is correct, then each information in the described gas meter, flow meter is sent in the telepilot by the form of its second infrared emission circuit with second frequency, and show from the display screen of telepilot.
As another kind of improvement the of the present invention, on described telepilot, can also be provided with query key, push this query key, behind the first microprocessor in described telepilot, arrive second infrared receiving circuit of described gas meter, flow meter with the form transmission querying command of first frequency by the described first infrared emission circuit, described gas meter, flow meter is by second microprocessor processes in it, the form of the amount of supplementing with money in the gas meter, flow meter with second frequency sent on the described telepilot, and show from the display screen of described telepilot.So that inquiring about at any time, the user purchases tolerance.
Simultaneously can also after pushing above-mentioned meter reading key, press query key again, can on display screen, show residual volume, the accumulative total tolerance of gas meter, flow meter so successively and purchase tolerance, promptly can see various information.
In above-mentioned remote control thereof, on second microprocessor of gas meter, flow meter, also set duration of valve opening, when duration of valve opening surpasses 48 hours, second microprocessor will send the signal of cutting out the actuator valve, with the security of guaranteeing that gas meter, flow meter uses.Opening under the valve state simultaneously, when the sensor pulses per second surpasses Q/60V
CThe time, second microprocessor can send the signal of cutting out the actuator valve equally, and wherein, Q is the maximum flow of gas meter, flow meter, V
CRevolution volume for gas meter, flow meter.
More useful is, the relay that is electrically connected mutually with described second microprocessor also is installed in described gas meter, flow meter, and the driving stem of this relay and the shell body of gas meter, flow meter are inconsistent and the actuator valve can normally be opened.When the illegal demolition diaphragm gas watch case of people was stolen gas, gas meter, flow meter can be closed the actuator valve automatically by this relay like this.
Compared with prior art, owing to use different microprocessors respectively in telepilot of the present invention and the gas meter, flow meter, therefore and first frequency and second frequency corresponding, that be convenient to receive and dispatch each other are set between telepilot and gas meter, flow meter, do not use and self-excitation phenomena can occur.Simultaneously in telepilot and gas meter, flow meter, set up different data storage circuitries respectively, and with several data such as Embedded software approach curing two-way communication protocols, really solved to gas meter, flow meter from dormant state to wake, supplement with money, open valve up, close valve, multi-functional operations such as meter reading, inquiry, therefore, the present invention is easy to implement, more can satisfy people's use needs, so be worth on existing gas meter, flow meter, applying.
Description of drawings
Fig. 1 is the structural representation of gas meter, flow meter in the embodiment of the invention;
Fig. 2 is the contour structures synoptic diagram of telepilot in the embodiment of the invention;
Fig. 3 is an electrical schematic diagram in the telepilot in the embodiment of the invention;
Fig. 4 is the first microprocessor in the telepilot of the present invention and the main pin distribution plan of chip of LCD and crystal oscillator;
Fig. 5 is an electrical schematic diagram in the gas meter, flow meter in the embodiment of the invention;
Fig. 6 is the main pin distribution plan of second microprocessor in the gas meter, flow meter of the present invention and crystal oscillator;
Fig. 7 is the first data acquisition circuit figure in the telepilot of the present invention;
Fig. 8 is the first voltage monitoring circuit figure in the telepilot of the present invention;
Fig. 9 is the second voltage monitoring circuit figure in the gas meter, flow meter of the present invention;
Figure 10 is the first infrared emission circuit diagram in the telepilot of the present invention;
Figure 11 is the first data storage circuitry figure in the telepilot of the present invention;
Figure 12 is the second infrared receiving circuit figure in the gas meter, flow meter of the present invention;
Figure 13 is the second data storage circuitry figure in the gas meter, flow meter of the present invention;
Figure 14 is the second infrared emission circuit diagram in the gas meter, flow meter of the present invention;
Figure 15 is the first infrared receiving circuit figure in the telepilot of the present invention;
Figure 16 is switch driving circuit and testing circuit figure thereof in the gas meter, flow meter of the present invention;
Figure 17 is the second data acquisition circuit figure in the gas meter, flow meter of the present invention;
Figure 18 is attack protection circuit diagram in the gas meter, flow meter of the present invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Fig. 1 to Fig. 3, it comprises gas meter, flow meter 1 and telepilot 2, be provided with respectively first infrared receiving circuit, the first infrared emission circuit, first data storage circuitry, first data acquisition circuit, first voltage monitoring circuit and the liquid crystal display circuit that are electrically connected mutually with first microprocessor U1 in the described telepilot 2, and telecontrol panel is provided with 26 and five function keys of corresponding liquid crystal screen, and they are respectively and supplement key 21 with money, open valve key 22, close valve key 23, meter reading key 24 and query key 25.In the present embodiment, it is the chip of HT49R30 that first microprocessor U1 in the telepilot adopts model, and it has 48 pin, referring to shown in Figure 4, the first infrared emission circuit of telepilot can send the Infrared of 56KHz, and its first infrared receiving circuit can receive the Infrared of 32.768KHz.
Gas meter, flow meter 1 is a base table with the epithelium gas meter, flow meter, configuration actuator 11 in it, mechanical counter 12, sensor 13, infrared receiving tube 14, the infrared transmitting tube 15 and second microprocessor 16, wherein, it is the chip of W741E260 that the second microprocessor IC1 (being label 16) adopts model, it has 80 pin, as shown in Figure 5 and Figure 6, this second microprocessor respectively with second infrared receiving circuit, the second infrared emission circuit, second data storage circuitry, second data acquisition circuit, second voltage monitoring circuit, attack protection circuit and switch drive are electrically connected mutually with testing circuit.Corresponding with the transmission and the receive frequency of above-mentioned telepilot, the second infrared emission circuit of gas meter, flow meter can send the Infrared of 32.768KHz by infrared transmitting tube 15, and its first infrared receiving circuit can receive the Infrared of 56KHz by infrared receiving tube 14.
Its concrete remote control thereof is as follows: (1) presses the arbitrary button on the telepilot, wake telepilot up: as shown in Figure 7, data acquisition circuit on the telepilot promptly includes above-mentioned five function keys, one end of wherein supplementing key S1 (being label 21) and meter reading key S2 (being label 24) with money links to each other with the 6th pin of first microprocessor U1, be connected in power supply by first resistance R 1 simultaneously, and the other end is connected in the 9th pin and the 10th pin of first microprocessor respectively; The described valve key S3 (being label 22) that opens links to each other with the 7th pin of first microprocessor U1 with an end that closes valve key S4 (being label 23), be connected in power supply by second resistance R 2 simultaneously, and its other end is connected in the 9th pin and the 10th pin of first microprocessor U1 respectively; Described query key S5 (being label a 25) end links to each other with the 8th pin of first microprocessor, be connected in power supply by the 3rd resistance R 3 simultaneously, and its other end is connected in the 9th pin of first microprocessor U1.Here, the resistance of first resistance R 1, second resistance R 2 and the 3rd resistance R 3 equates that under state of nature, the 6th, 7,8 pin of first microprocessor U1 are in identical current potential by resistance separately.During arbitrary function key on pressing telepilot, its state that may exist is: the 9th pin of first microprocessor U1 is in identical current potential with the 6th pin, the 10th step and the 6th pin, the 9th pin and the 7th pin, the 10th pin and the 7th pin, the 9th pin and the 8th pin, make first microprocessor be in wake-up states, this moment, liquid crystal display 26 was shown as "----.--".
In order to reduce power consumption, here, also dispose above-mentioned first voltage monitoring circuit in the telepilot 2, first voltage monitoring circuit sees also shown in Figure 8, it includes elements such as the first triode Q1, the 4th integrated package U4, resistance, diode, wherein the 4th integrated package U4 adopts conventional comparer, and its output terminal (i.e. the 3rd pin) links to each other with the 2nd pin of first microprocessor U1, and the 2nd pin of first microprocessor U1 is connected in the base stage of the first triode Q1 by the 4th resistance R 4 simultaneously.When telepilot 2 had just been packed battery into, the 16th pin of first microprocessor U1 inserted power supply by the 5th resistance R 5, referring to Fig. 4 like this.Under telepilot is in not wake-up states, the 2nd pin of first microprocessor U1 is in noble potential, at this moment, the first triode Q1 conducting, the input end of the 4th integrated package U4 (i.e. the 1st pin) is an electronegative potential, its output terminal is an electronegative potential also then, makes the 2nd pin of first microprocessor be reversed to electronegative potential, and promptly first microprocessor is in dormant state when not working.Simultaneously, after above-mentioned first microprocessor woke up, its internal clocking was started working, reach 60 seconds of setting when the clock timing after, the crus secunda of first microprocessor is in electronegative potential again and enters low power consumpting state.
(2) wake gas meter, flow meter up: push the arbitrary function key on the telepilot more continuously, after first microprocessor U1 in telepilot 2 handles, send second infrared receiving circuit of wake command by the first infrared emission circuit in the telepilot continuously with the form of 56KHz to gas meter, flow meter, this moment telepilot liquid crystal display on show the printed words of " S----0 ", and send " too " sound.Gas meter, flow meter 1 receives when giving this wake command, with originally be stored in token on second data storage circuitry and urban area and number checked, if check correct, second infrared transmitter of successful information by described gas meter, flow meter returned to telepilot 2 with the 32.768KHz form, simultaneously gas meter, flow meter is in state of activation, and the pilot lamp on the gas meter, flow meter is lighted, and after telepilot receives this one-tenth function signal, show the printed words of " P----0 " on its liquid crystal display 26, and went to for the 3rd step.In this process, if telepilot sends continuously in 2500 milliseconds in behind the signal 500 milliseconds, telepilot does not receive the one-tenth function signal that returns, and then shows the printed words of " E----0 " on the liquid crystal display of telepilot.Do not receive the feedback information of telepilot in gas meter, flow meter 4 seconds after sending successful information, then gas meter, flow meter changes dormant state over to.
Equally, in order to reduce power consumption, here, also dispose above-mentioned second voltage monitoring circuit in the gas meter, flow meter 1, see also shown in Figure 9, the custom circuit that it is made up of the second integrated package U2, diode and resistance etc., the input end of the second integrated package U2 links to each other with 76 pin of the second microprocessor IC1 by the first diode D2, the 7th resistance R 7.Same principle, after gas meter, flow meter was waken up, its internal clocking was started working, reach 60 seconds of setting when the clock timing after, make the 76th pin of second microprocessor be in electronegative potential and enter low power consumpting state.
(3) gas meter, flow meter is supplemented with money: push and supplement key S1 with money on the telepilot 2, the processing of first microprocessor U1 in telepilot 2, arrive second infrared receiving circuit of gas meter, flow meter 1 with the frequency transmission token information of 56KHz by the first infrared emission circuit in the telepilot, after the second microprocessor IC1 of described gas meter, flow meter in it handles, carry out checking of user number by the user profile in second data storage circuitry and this token information, if check correct, second microprocessor of gas meter, flow meter is with the gas consumption of this user's purchase and the original residue tolerance addition in second data storage circuitry, again by the total gas consumption information of second infrared transmitter in it after telepilot returns token source and addition with the form of 32.768KHz, gas meter, flow meter is in state of activation simultaneously, and goes to for the 4th step; Otherwise after 4 seconds, gas meter, flow meter changes dormant state automatically over to.
It is specifically realized by following circuit: as shown in Figure 7, push and supplement key S1 with money, in the 9th pin of power supply by the first microprocessor U1 of first resistance R, 1 input telepilot, after first microprocessor obtains information, on its 46th pin and 47 pin, produce the crystalline substance shake signal source of 56KHZ, as shown in Figure 4, the signal source that while produces identical time interval frequency on the 2nd pin of first microprocessor be 56KHZ, and through the 8th resistance R 8 control the 3rd triode Q3 with power supply copped wave, see also Figure 10, and the pulse power after the copped wave made second triode Q2 conducting and the power amplification through the 9th resistance R 9, the 10th resistance R 10 current limlitings drive the first infrarede emitting diode D1, make the first infrarede emitting diode D1 send the modulating pulse infrared light.And first data storage circuitry in the telepilot as shown in figure 11, this first data storage circuitry comprises that model is the 3rd integrated package U3 of 24C02, the 3rd integrated package has 8 pin, the equal ground connection of the 1st to the 4th pin wherein, and the 8th pin connects power supply, 6th, 7 pin connect the 3rd pin and the 15th pin of first microprocessor U1 respectively, and the 5th pin of the 3rd integrated package links to each other with power supply by the 11st resistance R 11, are connected with the 5th pin of first microprocessor simultaneously.Above-mentioned user's permission agreement is exactly the 3rd pin that enters first microprocessor from the 6th pin of the 3rd integrated package, and reaches in second infrared remote receiver of gas meter, flow meter in the mode of infrared pulse carrier wave.
Second infrared receiving circuit in the gas meter, flow meter is that conventional infrared receiver device HJ2 and triode formed, referring to shown in Figure 12, the 3rd pin of infrared receiver device HJ2 (being output terminal) links to each other with the 71st pin of the second microprocessor IC1, and its 1st pin (being power end) is connected in the collector of the 4th triode Q4, be connected in the collector of the 5th triode Q5 simultaneously by diode, the emitter of fourth, fifth triode links to each other with power supply respectively, and base stage links to each other with the 70th pin with the 79th pin of second microprocessor by the 12nd resistance R the 12, the 13rd resistance R 13 respectively.Second data storage circuitry in the described gas meter, flow meter as shown in figure 13, it includes the chip IC 2 that model is 24LC02, and this chip has 8 pin, wherein the equal ground connection of the 1st to the 4th pin, the 5th pin connects the 69th pin of the second microprocessor IC1, is connected in power supply by the 16th resistance R 16 simultaneously; 6th, 7 pin the 68th pin that connects second microprocessor respectively links to each other with the 63rd pin; And the 8th pin connects power supply, links to each other with the 73rd pin, the 72nd pin of second microprocessor with the 15th resistance R 15 by the 14th resistance R 14 simultaneously.Like this after second infrared remote receiver in the gas meter, flow meter receives the infrared modulation signal of the 56KHz that has permission agreement, in 71st pin of its 3rd pin with this signal input gas meter, flow meter second microprocessor, referring to Fig. 6, the 68th pin of this second microprocessor is imported the 6th pin in the second data storage circuitry chip with this user's permission agreement, identification by said chip IC2, if think that this token information is correct after judging, then gas consumption that this user is bought and the original residue tolerance addition in the chip IC 2, and the total gas consumption information after the addition is delivered to the 63rd pin of the second microprocessor IC1 by the 7th human hair combing waste of chip IC 2, at this moment, the 52nd pin of second microprocessor, the power supply of the 53rd pin, referring to Fig. 6, second microprocessor produces the crystalline substance shake signal of 32.768KHz, this signal sends by second infrared transmitter of gas meter, flow meter, the circuit of this second infrared transmitter as shown in figure 14, it comprises the 6th triode Q6, the second infrarede emitting diode D3 of the 7th triode Q7 and two parallel connections, the 3rd infrarede emitting diode D4.Above-mentioned signal promotes the 6th triode Q6 work from the 64th pin of the second microprocessor IC1 through the 17th resistance R 17, through and power amplification by the 7th triode Q7, the current limliting of the 18th resistance R 18 drives the second infrarede emitting diode D3, the 3rd infrarede emitting diode D4, makes two infrarede emitting diodes send the modulating pulse infrared light.
The circuit diagram of the first infrared remote receiver HJ1 in the telepilot as shown in figure 15, it is conventional acceptor circuit, the tripod (being output terminal) of this receiver HJ1 links to each other with the 11st pin of first microprocessor in the telepilot, and its crus secunda links to each other with the 1st pin of first microprocessor U1.Receive the modulating pulse infrared light of above-mentioned 32.768KHz when the first red receiver after, by 11st pin of its tripod with this signal input first microprocessor, the 3rd pin of first microprocessor passes to above-mentioned signal the 6th pin of the 3rd integrated package U3 in first data storage circuitry again, referring to Figure 11, at last, the total gas consumption information after first microprocessor is bought this user shows on the liquid crystal display 26 of telepilot.
(4) drive valve: by opening valve key S3 on the telepilot, after the processing of the first microprocessor in telepilot, be shown as on the liquid crystal display of telepilot " S----1 ", simultaneously, this opens permission agreement signal in the valve order and first data storage circuitry sends to gas meter, flow meter with the form of first frequency 56KHz by the first infrared emission circuit in the telepilot second infrared receiving circuit, after gas meter, flow meter receives this signal, by second processor processing in it, and this is opened the valve order and permission agreement is discerned by second data storage circuitry, if open the valve order when correct, whether reexamine residual volume is zero, if it is non-vanishing, then start the actuator motor in the gas meter, flow meter, the actuator valve is opened.Simultaneously valve state, tolerance state, cell voltage state are turned back on the telepilot with the form of second frequency, show the printed words of " P----1 " by the liquid crystal display on it.If it is wrong that second data storage circuitry in the telepilot is split the valve command recognition, the liquid crystal display of telepilot is " EER-1 " printed words, then needs again by pressing off valve key S3.If detecting the residual volume of gas meter, flow meter is zero, then changed for the 3rd step over to.
The electrical principle of driving valve is as follows: by pressing off valve key S3, as shown in Figure 7, at this moment, in the 9th pin of power supply by the first microprocessor U1 of second resistance R, 2 input telepilots, identical with the above-mentioned step of supplementing with money, in the first infrared emission circuit of telepilot, produce the modulating pulse infrared light of 56KHz signal, and reach second infrared remote receiver of gas meter, flow meter together with the permission agreement in first data storage circuitry in the telepilot, referring to Figure 12, and split the valve order and permission agreement is discerned by second data storage circuitry (referring to Figure 13) in the gas meter, flow meter, if be identified as true, and when the gas meter, flow meter residual volume is not less than zero, second data storage circuitry is opening valve information reaches second microprocessor from its 6th pin the 68th pin, the 3rd pin that makes second microprocessor is a high level, and the 80th pin is a low level, referring to Fig. 6, and the 80th pin of this second microprocessor, the 78th pin, the 3rd pin, the 4th pin links to each other with the switch driving circuit and the testing circuit thereof of gas meter, flow meter respectively, referring to Figure 16, the 80th pin of second microprocessor is connected in the base stage of the 10th triode Q10 by the 19th resistance R 19, the 3rd pin is connected in the base stage of the 9th triode Q9 by the 20th resistance R 20, the collector of the 10th triode Q10 links to each other with the base stage of the 14th triode Q14, its collector links to each other with the base stage of the 11st triode Q11 by the 21st resistance R 21, the emitter of the 11st triode Q11 is connected in power supply, its collector links to each other with the collector of the 13rd triode Q13, is both an end that is connected in the actuator motor M.And the collector of the 9th triode Q9 links to each other with the base stage of the 13rd triode Q13, its emitter links to each other with the base stage of the Q12 of the 12nd triode by the 22nd resistance R 22, the emitter of the 12nd triode Q12 is connected in power supply, and be connected in the emitter of the 9th triode Q9, the emitter of the 10th triode Q10 by the 23rd resistance R the 23, the 24th resistance R 24 of parallel connection, the collector of the 12nd triode Q12 is connected in the collector of the 14th triode Q14, links to each other with the other end of actuator motor M simultaneously.And the emitter of the 14th triode Q14 is connected with the emitter of the 13rd triode Q13, be connected in the positive input terminal of operational amplifier simultaneously, the output terminal of this amplifier links to each other with the 78th pin of the second microprocessor IC1, and the 4th pin of second microprocessor is connected in the negative input end of this amplifier by the 8th triode Q8 and the conventional outer slip ring of amplifier.
At this moment, the low level of second microprocessor the 80th pin amplifies the 10th triode Q10 conducting by the 19th resistance R 19, makes the 11st triode Q11 conducting and power amplification thereupon, makes the 14th triode Q14 conducting simultaneously.And the high level of the 3rd pin of second microprocessor makes the 9th triode Q9 end, also make the 12nd triode Q12 and the 13rd triode Q13 all end thereupon, at this moment promptly, after the conducting of direct supply by the 11st triode Q11 and the 14th triode Q14 makes the energising of actuator motor M, be rotated in the forward, make valve opening.Simultaneously, the 4th pin of second microprocessor is a low level, the 8th triode Q8 conducting, power supply is powered to operational amplifier, because the actuator rotating speed of motor is 1450rnp, the actuator valve is opened, at short notice, electric current is from the direct supply voltage that 14 triode Q14 to the, 25 resistance R, 25 backs produce to 11th ploe pipe Q11 to actuator motor M to the, make the operational amplifier forward conduction in period at this section, promptly the 78th pin of second microprocessor produces high level, and the 3rd pin and the 80th pin of second microprocessor become high level simultaneously, its result stops operating the actuator motor M, drives valve and finishes.
(5) close valve: press the pass valve key on the telepilot, after first microprocessor in telepilot is handled, be shown as on the liquid crystal display of telepilot " S----2 ", this pass valve order simultaneously and be stored in permission agreement in first data storage circuitry sends to gas meter, flow meter with the form of first frequency 56KHz by the first infrared emission circuit in the telepilot second infrared receiving circuit, after gas meter, flow meter receives this signal, by second microprocessor processes in it, and this pass valve order is discerned by second data storage circuitry, if it is correct to close the valve order, then close the actuator valve, simultaneously with valve state, the cell voltage state, the tolerance state turns back on the described telepilot with the form of second frequency, and shows the printed words of " P----2 " by the liquid crystal display on it; If second data storage circuitry in the telepilot is wrong to closing the valve command recognition, the liquid crystal display of telepilot is shown as " EER-2 " printed words, then keeps for the 4th step.
The circuit that closes valve sees also Fig. 7, push and close valve key S4, power supply is by the 10th pin of the first microprocessor of the 2nd resistance R 2 input telepilots, itself and the above-mentioned identical principle of step of supplementing with money, in the first infrared emission circuit of telepilot, produce, the modulating pulse infrared light of 56KHz signal, and reach second infrared remote receiver of gas meter, flow meter together with permission agreement, referring to Figure 12, and discern closing valve order and permission agreement by second data storage circuitry (referring to Figure 13) in the gas meter, flow meter, if be identified as true, second data storage circuitry is opening valve information reaches second microprocessor from its 6th pin the 68th pin, making the 3rd pin of second microprocessor is low level, and the 80th pin is a high level, and the low level of second microprocessor the 3rd pin is by the 20th resistance R 20, the 9th triode Q9 conducting is amplified, as shown in figure 16, make the 12nd triode Q12 conducting and power amplification thereupon, make the 13rd triode Q13 conducting simultaneously.And the high level of the 80th pin of second microprocessor makes the 10th triode Q10 end, also make the 11st triode Q11 and the 14th triode Q14 all end thereupon, i.e. this moment, the conducting of direct supply by the 12nd triode Q12 and the 13rd triode Q13 makes reverse rotation behind the actuator electrical power and valve-off.Simultaneously, the 4th pin of second microprocessor is a low level, the 8th triode Q8 conducting, power supply is powered to operational amplifier, because the actuator rotating speed of motor is 1450rnp, the actuator valve is closed, at short notice, the electric current voltage that 13 triode Q13 to the, 25 resistance R 25 are produced from direct supply to the 12 triode Q12 to actuator motor M to the makes the operational amplifier forward conduction at this section in the period, make the 78th pin of second microprocessor produce high level, at this moment, make the 3rd pin and the 80th pin of second microprocessor become high level simultaneously again, its result stops operating the actuator motor M, closes valve and finishes.
(6) read gas consumption in the gas meter, flow meter: the gas consumption of in time knowing gas meter, flow meter for the ease of the user, on described telepilot, also be provided with meter reading key S2, during use, push this meter reading key, behind the first microprocessor in telepilot, on the LCDs of telepilot, be shown as " S----3 ", send meter reading order and permission agreement by the first infrared emission circuit in the telepilot in second infrared receiving circuit of gas meter, flow meter with the form of first frequency 56KHz simultaneously, after gas meter, flow meter receives this signal, by second microprocessor processes in it, and meter reading order and permission agreement are discerned by second data storage circuitry (referring to Figure 13) in the gas meter, flow meter, if be identified as true, then with the valve state of gas meter, flow meter, the cell voltage state, information such as tolerance state send to telepilot with the form of second frequency 32.768KHz, and show the printed words of " P----3 " from the liquid crystal display of telepilot.If second data storage circuitry in the telepilot is wrong to the meter reading command recognition, the liquid crystal display of telepilot is " EER-2 " printed words.
Its circuit is referring to Fig. 7, push meter reading key S2, power supply is by the 10th pin of the first microprocessor of first resistance R, 1 input telepilot, itself and the identical principle of above-mentioned pass valve step, in the first infrared emission circuit of telepilot, produce the modulating pulse infrared light of 56KHz signal, and reach second infrared remote receiver of gas meter, flow meter together with permission agreement, referring to Figure 12, and meter reading order and permission agreement are discerned by second data storage circuitry (referring to Figure 13) in the gas meter, flow meter, if be identified as true, the residue tolerance that is stored in second data storage circuitry, information such as cell voltage reach the 69th pin of second microprocessor from its 5th pin, at this moment, make the 52nd and the 53rd pin power supply of second microprocessor, second microprocessor produces the crystalline substance shake signal of 32.768KHz, promote the 6th triode Q6 work from its 64th pin through the 17th resistance R 17, referring to Figure 14, and through the power amplification of the 7th triode Q7, the current limliting of the 18th resistance R 18 drives infrarede emitting diode, impels two infrarede emitting diodes to send the modulating pulse infrared light.
After first infrared receiving circuit of telepilot receives above-mentioned modulating pulse infrared light, produce the 1st pin that signal is given first microprocessor from its 2nd pin, on the 21st pin to the 24 pin of first microprocessor, liquid crystal display that the 27th pin to 42 pin is given signals such as " can consume tolerance, information of voltage " telepilot, show.
(7) tolerance is purchased in inquiry: push the query key S5 on the telepilot, on the liquid crystal display of telepilot, show the amount of supplementing with money, if telepilot is not also supplemented with money to gas meter, flow meter, then show 0000.00 printed words on the liquid crystal display, its circuit is identical with above-mentioned " reading the gas consumption in the gas meter, flow meter " with principle, is not described in detail in this.
In order to obtain more information, can also be by after pushing meter reading key S2, again whenever by one query key S5, on the liquid crystal display of telepilot, will occur the residual volume and the accumulative total tolerance of gas meter, flow meter successively and purchase the use information of tolerance, its circuit above-mentioned with principle " reading the gas consumption in the gas meter, flow meter " is also identical, also no longer describes in detail at this.
(8) telepilot enters on line state: reached for 1 second by pressing off valve key S3 and closing valve key S4 simultaneously, at this moment, the LCDs of telepilot shows " F----0 " printed words, waiting for Computer Data Communication information, be: purchase gas from gas company and " supplement ", show this user's essential information and operation behaviour etc. in violation of rules and regulations with money with the content of computing machine communication.If without any information, telepilot will enter low power consumpting state automatically in 10 seconds.When communication finishes, show " PASS-0 ", show to enter low-power consumption automatically after 5 seconds.
In use, forgotten and that is to say the pass valve if the user goes out, the time of driving valve is when reaching certain hour, actuator meeting automatic shutter valve, here, after the clock of second microprocessor of gas meter, flow meter clocks and reaches 48 hours, the 3rd pin of second microprocessor becomes low level, and the 80th pin becomes high level, and is identical with above-mentioned pass valve principle, actuator motor counter-rotating this moment, valve is closed automatically, thereby has played valve-closing and the effect that improved safety in utilization.
Simultaneously, as shown in figure 17, also be provided with Acquisition Circuit in the gas meter, flow meter, it comprises that model is the integrated package J22 of con5, the input end of this integrated package links to each other with the sensor 13 that is positioned at gas meter, flow meter, and its first pin to the, five pin link to each other with the 55th pin, the 51st pin, the 5th pin, the 7th pin and the 6th pin of second microprocessor respectively successively.When the pulses per second of sensor surpasses Q/60VC, wherein Q is the maximum flow of gas meter, flow meter, VC is the revolution volume of gas meter, flow meter, then the 3rd pin of second microprocessor becomes low level, and the 80th pin becomes high level, make actuator motor counter-rotating and valve-off is guaranteed the operate as normal of gas meter, flow meter with this, prolong its serviceable life.
In addition, in order to prevent that the disabled user from reaching the surreptitiously purpose of gas by the dismounting gas meter, flow meter, it is the relay J 4 of con2 that model also is installed in gas meter, flow meter, its circuit as shown in figure 18, the driving stem of this relay and the shell body of gas meter, flow meter are inconsistent, its crus secunda is connected in power supply, and links to each other with the 74th pin of second microprocessor simultaneously, and its first pin ground connection.Like this, when opening shell body, this actuating of relay makes the 74th pin of second microprocessor export high level, makes the 3rd pin of second microprocessor become low level then, and the 80th pin becomes high level, promptly impels the counter-rotating of actuator motor and valve-off.
Claims (6)
1. the remote control thereof of a gas meter, flow meter is characterized in that:
The first step: press the arbitrary function key on the telepilot, wake telepilot up;
Second step: more continuously by the arbitrary function key on the described telepilot, first microprocessor in it is handled and is sent second infrared receiving circuit of wake command to gas meter, flow meter by the first infrared emission circuit continuously with the form of first frequency, described gas meter, flow meter with this wake command with originally be stored in token on second data storage circuitry and urban area and number checked, if check correct, second infrared transmitter of successful information by described gas meter, flow meter returned to described telepilot with the form of second frequency, described gas meter, flow meter is in state of activation simultaneously, and goes to for the 3rd step; Otherwise described gas meter, flow meter changes dormant state over to;
The 3rd step: by the key of supplementing with money on the described telepilot, after first microprocessor in described telepilot is handled, send second infrared receiving circuit of token information by the first infrared emission circuit in the described telepilot in the mode of first frequency to described gas meter, flow meter, after second microprocessor processes of described gas meter, flow meter in it, carry out checking of user number by the user profile in second data storage circuitry and this token information, if check correct, second microprocessor of described gas meter, flow meter is with the gas consumption of user's purchase and the original residue tolerance addition in described second data storage circuitry, again by the gas consumption information of second infrared transmitter in it after described telepilot returns token source and addition with the form of second frequency, described gas meter, flow meter is in state of activation simultaneously, and goes to
The 4th step; Otherwise after the several seconds, described gas meter, flow meter changes dormant state automatically over to; The 4th step: by the valve key of opening on the described telepilot, behind the first microprocessor in described telepilot, send with the form of first frequency by the first infrared emission circuit in the described telepilot and to open valve order and permission agreement signal second infrared receiving circuit to described gas meter, flow meter, described gas meter, flow meter receives this open the valve order after, by second microprocessor processes in it and second data storage circuitry this being opened the valve order discerns, if describedly open the valve order when correct, whether reexamine residual volume is zero, if it is non-vanishing, then open the actuator valve in the described gas meter, flow meter, simultaneously the state of the described gas meter, flow meter form with second frequency is turned back on the described telepilot, and show by the display screen on it; If to open the valve command recognition wrong to described, then again by pressing off valve key; If detecting the residual volume of gas meter, flow meter is zero, then changed for the 3rd step over to;
The 5th step: by the pass valve key on the described telepilot, behind the first microprocessor in described telepilot, send with the form of first frequency by the first infrared emission circuit in the described telepilot and to close valve order and permission agreement second infrared receiving circuit to described gas meter, flow meter, described gas meter, flow meter is by second microprocessor processes in it, by this pass valve order is discerned, if it is correct to close the valve order, then close the actuator valve, simultaneously the state of the gas meter, flow meter form with second frequency is turned back on the described telepilot, and show by the display screen on it; If second data storage circuitry in the described telepilot is wrong to closing the valve command recognition, then kept for the 4th step.
2. the remote control thereof of gas meter, flow meter according to claim 1, it is characterized in that: on described telepilot, also be provided with the meter reading key, push this meter reading key, behind the first microprocessor in described telepilot, send meter reading order and permission agreement second infrared receiving circuit by the described first infrared emission circuit with the form of first frequency to described gas meter, flow meter, after described gas meter, flow meter receives the signal of this meter reading order and permission agreement, by second microprocessor processes in it, and second data storage circuitry in described gas meter, flow meter is discerned this meter reading order and permission agreement, if this meter reading order is correct, then each information in the described gas meter, flow meter is sent in the telepilot by the form of its second infrared emission circuit with second frequency, and show from the display screen of telepilot.
3. the remote control thereof of gas meter, flow meter according to claim 2, it is characterized in that: also be provided with query key on the described telepilot, push this query key, behind the first microprocessor in described telepilot, arrive second infrared receiving circuit of described gas meter, flow meter with the form transmission querying command of first frequency by the described first infrared emission circuit, described gas meter, flow meter is by second microprocessor processes in it, the form of the amount of supplementing with money in the gas meter, flow meter with second frequency sent on the described telepilot, and show from the display screen of described telepilot.
4. according to the remote control thereof of claim 1 or 2 or 3 described gas meter, flow meters, it is characterized in that: the duration of valve opening of described gas meter, flow meter surpasses 48 hours, and described second microprocessor sends the signal of cutting out the actuator valve.
5. according to the remote control thereof of claim 1 or 2 or 3 described gas meter, flow meters, it is characterized in that: opening under the valve state, the sensor pulses per second in the described gas meter, flow meter surpasses Q/60V
CThe time, described second microprocessor sends the signal of cutting out the actuator valve, and wherein, Q is the maximum flow of gas meter, flow meter, V
CRevolution volume for gas meter, flow meter.
6. according to the remote control thereof of claim 1 or 2 or 3 described gas meter, flow meters, it is characterized in that: the relay that is electrically connected mutually with described second microprocessor also is installed in described gas meter, flow meter, and the driving stem of this relay and the shell body of gas meter, flow meter are inconsistent and the actuator valve can normally be opened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100519837A CN100388325C (en) | 2006-06-15 | 2006-06-15 | Method for remote controlling fuel gas meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100519837A CN100388325C (en) | 2006-06-15 | 2006-06-15 | Method for remote controlling fuel gas meter |
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| CN1873720A CN1873720A (en) | 2006-12-06 |
| CN100388325C true CN100388325C (en) | 2008-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100519837A Expired - Fee Related CN100388325C (en) | 2006-06-15 | 2006-06-15 | Method for remote controlling fuel gas meter |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013158B (en) * | 2009-09-07 | 2014-04-02 | 晨星软件研发(深圳)有限公司 | General type infrared receiving device and method |
| CN109932000A (en) * | 2017-12-15 | 2019-06-25 | 新智数字科技有限公司 | The control method and gas meter, flow meter of gas meter, flow meter |
| CN110442060A (en) * | 2019-08-07 | 2019-11-12 | 杭州莱宸科技有限公司 | A kind of intelligent gas meter and its control method with touch keyboard |
| CN114627635A (en) * | 2020-12-14 | 2022-06-14 | 金卡智能集团股份有限公司 | Infrared communication method, gas meter and terminal equipment |
| CN115294755A (en) * | 2022-08-11 | 2022-11-04 | 天津速越科技有限公司 | Remote control switching method for gas meter switching valve |
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| JP2001127910A (en) * | 1999-10-28 | 2001-05-11 | Kouga Denshi Kk | Data transmission device and automatic meter reading system using the device |
| CN2442246Y (en) * | 2000-09-20 | 2001-08-08 | 重庆市内引燃料有限责任公司 | Remote control gas meter |
| US20040240602A1 (en) * | 2003-05-30 | 2004-12-02 | K-Amrkorea Co., Ltd. | Apparatus for counting rotation frequency of numeral wheel of meter for remote meter reading system |
| CN2729841Y (en) * | 2004-09-30 | 2005-09-28 | 重庆乔松信息技术开发有限公司 | Infrared data transceiver for prepayment gas meter |
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2006
- 2006-06-15 CN CNB2006100519837A patent/CN100388325C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001127910A (en) * | 1999-10-28 | 2001-05-11 | Kouga Denshi Kk | Data transmission device and automatic meter reading system using the device |
| CN2442246Y (en) * | 2000-09-20 | 2001-08-08 | 重庆市内引燃料有限责任公司 | Remote control gas meter |
| US20040240602A1 (en) * | 2003-05-30 | 2004-12-02 | K-Amrkorea Co., Ltd. | Apparatus for counting rotation frequency of numeral wheel of meter for remote meter reading system |
| CN2729841Y (en) * | 2004-09-30 | 2005-09-28 | 重庆乔松信息技术开发有限公司 | Infrared data transceiver for prepayment gas meter |
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| CN1873720A (en) | 2006-12-06 |
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Effective date of registration: 20090206 Address after: Zhejiang province Ningbo Ninghai County town front Village Patentee after: Zhejiang Sapphire Meter Technology Co., Ltd. Address before: Ninghai County, Zhejiang Province town of Ninghai county children's Sapphire gas meter factory Patentee before: Chen Shaorong |
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Owner name: ZHEJIANG PROVINCE SAPPHIRE INSTRUMENTATION TECHNOL Free format text: FORMER OWNER: CHEN SHAORONG Effective date: 20090206 |
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